/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.arrow.flight.auth2;

import java.util.function.Consumer;

import org.apache.arrow.flight.CallHeaders;

/**
 * Client credentials that use a bearer token.
 */
public final class BearerCredentialWriter implements Consumer<CallHeaders> {

  private final String bearer;

  public BearerCredentialWriter(String bearer) {
    this.bearer = bearer;
  }

  @Override
  public void accept(CallHeaders outputHeaders) {
    outputHeaders.insert(Auth2Constants.AUTHORIZATION_HEADER, Auth2Constants.BEARER_PREFIX + bearer);
  }
}
